alcanna

[In Ger. alkanna; Fr. l'henné; from Arab, alhenna: ulthe, and henna.] [HENNA.] There are at least two plants bearing this name (1) Laws on i a iner mis, (2) Anchusa tinct or i a. [ALKANNA.] "The root of alcanna, though green, will give a red stain." Browne: Vulgar Errours.